linux-kernel - [PATCH] net: alx: remove redundant variable old

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Message-Id: <20180704071530.14431-1-colin.king@canonical.com>
Date:   Wed,  4 Jul 2018 08:15:30 +0100
From:   Colin King <colin.king@...onical.com>
To:     Jay Cliburn <jcliburn@...il.com>,
        Chris Snook <chris.snook@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sabrina Dubroca <sd@...asysnail.net>, netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: alx: remove redundant variable old_duplex

From: Colin Ian King <colin.king@...onical.com>

Variable old_duplex is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'old_duplex' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/net/ethernet/atheros/alx/main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index 5e5022fa1d04..6d3221134927 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1279,7 +1279,6 @@ static void alx_check_link(struct alx_priv *alx)
 	struct alx_hw *hw = &alx->hw;
 	unsigned long flags;
 	int old_speed;
-	u8 old_duplex;
 	int err;
 
 	/* clear PHY internal interrupt status, otherwise the main
@@ -1288,7 +1287,6 @@ static void alx_check_link(struct alx_priv *alx)
 	alx_clear_phy_intr(hw);
 
 	old_speed = hw->link_speed;
-	old_duplex = hw->duplex;
 	err = alx_read_phy_link(hw);
 	if (err < 0)
 		goto reset;
-- 
2.17.1